Select any two GPUs for comparison

Gaming Performance Comparison

Recommended System Requirements
Game GeForce 8600 GS GeForce 6800 Ultra
Halo: Reach 656% 617%
Cyberpunk 2077 3167% 3001%
Red Dead Redemption 2 2278% 2157%
Dragon Ball Z Kakarot 1367% 1292%
Call of Duty: Modern Warfare 2278% 2157%
Doom Eternal 1944% 1841%
Microsoft Flight Simulator 3167% 3001%
Grand Theft Auto VI 3533% 3349%
FIFA 20 1167% 1103%
Need For Speed Heat 2278% 2157%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce 6800 Ultra are very slightly better than the Nvidia GeForce 8600 GS.

The GeForce 8600 GS was released over a year more recently than the GeForce 6800 Ultra, and so the GeForce 8600 GS is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the GeForce 6800 Ultra.

The GeForce 8600 GS and the GeForce 6800 Ultra have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.

The GeForce 6800 Ultra has 22.4 GB/sec greater memory bandwidth than the GeForce 8600 GS, which means that the memory performance of the GeForce 6800 Ultra is slightly better than the GeForce 8600 GS.

The GeForce 8600 GS has 16 Shader Processing Units and the GeForce 6800 Ultra has 22. However, the actual shader performance of the GeForce 8600 GS is 22 and the actual shader performance of the GeForce 6800 Ultra is 9. The GeForce 8600 GS having 13 better shader performance is not particularly notable, as altogether the GeForce 6800 Ultra performs better when taking into account other relevant data.

The GeForce 8600 GS requires 47 Watts to run and the GeForce 6800 Ultra requires 124 Watts. We would recommend a PSU with at least 350 Watts for the GeForce 8600 GS. The GeForce 6800 Ultra requires 77 Watts more than the GeForce 8600 GS to run. The difference is significant enough that the GeForce 6800 Ultra may have an adverse affect on your yearly electricity bills in comparison to the GeForce 8600 GS.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed540 MHzvs400 MHz
Boost Clock-vs-
OC Potential Fair vs -
Driver Support - vs -
Release Date01 Apr 2007vs01 Mar 2005
GPU LinkGD LinkGD Link

Resolution Performance

1366x768 - green tick vs green tick -
green tick vs -
green tick vs -
green tick vs -
green tick vs -

GPU Memory

Memory256 MBvs256 MB
Memory Speed400 MHzvs550 MHz
Memory Bus128 Bitvs256 Bit
Memory TypeDDR2vsGDDR3
Memory Bandwidth12.8GB/secvs35.2GB/sec
L2 Cache 0 KB green tick vs -
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%

GPU Display

Shader Processing Units16vs22
Actual Shader Performance1%vs0%
Texture Mapping Units8vs-
Texture Rate4.3 GTexel/svs-
Render Output Units8vs-
Pixel Rate4.3 GPixel/svs-

GPU Outputs

Max Digital Resolution (WxH)2560x1600vs2560x1600
VGA Connections1vs0
DVI Connections1vs2
HDMI Connections0vs0
DisplayPort Connections-vs-

GPU Power Requirements

Max Power47 Wattsvs124 Watts
Recommended PSU350 Watts & 24 Amps-

GPU Features

Shader Model4.0vs3.0
Open GL2.1vs1.5
Open CL-vs-
Notebook GPUnono

GPU Supporting Hardware

Recommended ProcessorIntel Core 2 Duo E4400 2.0GHz-
Recommended RAM3 GB-
Maximum Recommended Gaming Resolution1024x768-

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewGeForce 8600 GS is a middle-class GFX based on the 80nm variant of the first-shader unified architecture.
It's based on the G84 Core and offers 16 Shader Processing Units, 8 TMUs and 8 ROPs, on a 128-bit memory interface of DDR2. The central unit runs at 540MHz and the memory clock operates at 400MHz. It will consume no more than 47 Watt.
It's therefore more comparable to GeForce 8500 GT and pales in comparison with GeForce 8600 GT.
This GPU is only suited for a 1024x768 (or less) resolution. Most of today's games will only run at low settings and extremely demanding games might not run at all. DirectX 11 based games aren't supported and its performance will decrease drastically, as the resolution increases.
The groundbreaking new NVIDIA GeForce 6800 graphics processing units (GPUs) and their revolutionary technologies power worlds where reality and fantasy meet; worlds in which new standards are set for visual realism and quality, performance, and video functionality. The GeForce 6800 GPUs deliver powerful, elegant graphics to drench your senses, immersing you in unparalleled worlds of visual effects for the ultimate PC experience.
Recommended CPU
Possible GPU Upgrades
GPU Variants